package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Collection;

public class JDBCDemo5 {
    public static void main(String[] args) {
        try (
               Connection con= DBUtil.getConnection()
                ){
            Statement statement=con.createStatement();
            String sql="SELECT t.name,t.salary,t.title,c.name,c.floor " +
                       "FROM teacher t " +
                       "JOIN class c ON t.id=c.teacher_id " +
                       "WHERE t.name='王克晶' ";
            ResultSet rs=statement.executeQuery(sql);
            while(rs.next()){
//                String tName=rs.getString("t.name");
//                int tSalary=rs.getInt("t.salary");
//                String tTitle=rs.getString("t.title");
//                String cName=rs.getString("c.name");
//                int cFloor=rs.getInt("c.floor");
                String tName=rs.getString(1);
                int tSalary=rs.getInt(2);
                String tTitle=rs.getString(3);
                String cName=rs.getString(4);
                int cFloor=rs.getInt(5);
                System.out.println(tName+","+tSalary+","+tTitle+","+cName+","+cFloor);
            }
        } catch (SQLException e) {
           e.printStackTrace();
        }
    }
}
